1 . 画出图中所示的图形的三视图.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/3/0ab2311a-da43-403b-a77f-095062a55d87.png?resizew=148)
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解题方法
2 . 已知直线经过点
,且在两坐标轴上的截距相等,求直线
的一般式方程,并画出图形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
3 . 如图,在长方体
中,
分别是
和
的中点,
是
上的点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/4ce3f1f0-921b-4c6a-9ca3-c856e7cae717.png?resizew=219)
(1)求三棱锥
的体积;
(2)作出长方体
被平面
所截的截面(只需作出,说明结果即可);
(3)求证:
∥平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6e78bf7594b4336ed139312e94cb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c640abbdc470479407da1ae2aa80fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5b6dfff10cb3dc3e06509db56d7b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c3f982d999937891eec4cb22d62e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06df73d095e72e104d6488a820f3313f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/4ce3f1f0-921b-4c6a-9ca3-c856e7cae717.png?resizew=219)
(1)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bfbe2895de9be64a19f9448511cb4c.png)
(2)作出长方体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf0272d756f0f49879fce7f4e9d7b02.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af83aa2410d6ab5d74a984b8fd745cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf0272d756f0f49879fce7f4e9d7b02.png)
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2021-08-09更新
|
334次组卷
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3卷引用:甘肃省张掖市某重点校2022-2023学年高三上学期10月月考数学(理)试题
名校
解题方法
4 . 一几何体按比例绘制的三视图如图所示(单位:
).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/c0bd6ffe-0378-47cf-8be4-a9b463270abc.png?resizew=196)
(1)试画出它的直观图(不写作图过程);
(2)求它的表面积和体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/c0bd6ffe-0378-47cf-8be4-a9b463270abc.png?resizew=196)
(1)试画出它的直观图(不写作图过程);
(2)求它的表面积和体积.
您最近一年使用:0次
2020-10-03更新
|
145次组卷
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4卷引用:甘肃省武威第五中学2017-2018学年高一上学期期末考试数学试题
甘肃省武威第五中学2017-2018学年高一上学期期末考试数学试题安徽省六安市霍邱县第二中学2019-2020学年高一下学期段考数学试题(已下线)专题8.2 空间几何体的表面积和体积(精练)-2021年新高考数学一轮复习学与练安徽省滁州市六校2019-2020学年高二上学期期中文科数学试题
解题方法
5 . 如图,正方体
的棱长为
,
为棱
的中点.
![](https://img.xkw.com/dksih/QBM/2020/5/6/2457117478313984/2458188963971072/STEM/32dfac250bdc4e1b8a0fb76bc36d2710.png?resizew=227)
(1)画出过点
且与直线
垂直的平面,标出该平面与正方体各个面的交线(不必说明画法及理由);
(2)求点
到该平面的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/2020/5/6/2457117478313984/2458188963971072/STEM/32dfac250bdc4e1b8a0fb76bc36d2710.png?resizew=227)
(1)画出过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2020-05-08更新
|
398次组卷
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2卷引用:2020届甘肃省高三第一次高考诊断考试数学(文)试题